Augusta whipple



(No Model.)

0. A. WHIPPLE. NEEDLE EMPLOYED IN THE MANUFACTURE OF FELT'ED FABRICS.

No. 469,762. Patentedlvlarr 1-, 1892.

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In: mm: PETERS cm, mmo-Lrrua, WASHINGTON, B..

UNITED STATES PATENT OFFICE.

CAROLINE AUGUSTA IVHIPPLE, OF LONDON, ENGLAND.

NEEDLE EMPLOYED IN THE MANUFACTURE OF FELTED FABRICS.

SPECIFICATION forming part of Letters Patent No. 469,762, dated March 1, 1892.

' Application filed November 27 1891. Serial No 413,301. (No model.)

To aZZ whom it may concern:

Be it known that I, CAROLINE AUGUSTA WHIPPLE, a subject of the Queen of England, residing at London, in England,haveinvented certain new and useful Improvements in Needles Employed in the Manufacture of Felted Fabrics, of which the following is a specification.

This invention relates to needles; and the object of the invention is to increase the holding power upon the fibers upon the barbs. The shape of the needle in section is immaterial; but conveniently a three-cornered or triangular needle will give good results.

The accompanying drawing, in which the needle is shown enlarged, shows this invention applied to a needle of ordinary construction.

The barbs A are usually formed by recessing or cutting out a portion B of the needle, and I prefer to adopt this course with my improved needles, although the invention may be applied to other forms of barbs. The working face 0 of the barb is, as shown in the drawing, roughened, jagged, or toothed for the purpose of increasing the hold upon the fibers with which the barb as it passes through 

